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ES8306232A1 - Automatic adjusting device for a brake - Google Patents

Automatic adjusting device for a brake

Info

Publication number
ES8306232A1
ES8306232A1 ES512798A ES512798A ES8306232A1 ES 8306232 A1 ES8306232 A1 ES 8306232A1 ES 512798 A ES512798 A ES 512798A ES 512798 A ES512798 A ES 512798A ES 8306232 A1 ES8306232 A1 ES 8306232A1
Authority
ES
Spain
Prior art keywords
strut
brake
adjustment
force
actuating force
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES512798A
Other languages
Spanish (es)
Other versions
ES512798A0 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of ES512798A0 publication Critical patent/ES512798A0/en
Publication of ES8306232A1 publication Critical patent/ES8306232A1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/38—Slack adjusters
    • F16D65/40—Slack adjusters mechanical
    • F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play
    • F16D65/56—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
    • F16D65/561—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake
    • F16D65/563—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake arranged adjacent to service brake actuator, e.g. on parking brake lever, and not subjected to service brake force

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

A strut (40) whose effective length depends on the relative positions of two strut portions (44,46) adjustable with respect to each other is connected in parallel with a brake actuating mechanism (18). One of the strut portions (44,46) is subjected to the force of a biased adjustment member acting transversely of the longitudinal direction of the strut (40) and, upon actuation of the brake, tending to increase the length of the strut (40). The adjustment member cooperates with an intermediate member (24) which is disposed between two structural members (14'',22) transmitting the actuating force (P) independently of the strut (40) and which is displaceable against the frictional resistance (Q) thereof, provided said resistance does not surpass a given value. Thus the possibility of adjustment is limited by the actuating force itself which is not transmitted by the strut and, for instance, may be hydraulic. If this actuating force surpasses a certain limit up to which any adjustment is caused only by the wear of the brake lining and not yet by elastic deformation of parts of the brake, also the frictional resistance caused by the brake actuating force and acting against displacement of the intermediate member surpasses the force of the biased adjustment member so that no adjustment is effected.
ES512798A 1981-06-03 1982-06-02 Automatic adjusting device for a brake Expired ES8306232A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3121985 1981-06-03
DE3218788A DE3218788A1 (en) 1981-06-03 1982-05-18 SELF-ADJUSTING DEVICE FOR A BRAKE

Publications (2)

Publication Number Publication Date
ES512798A0 ES512798A0 (en) 1983-05-01
ES8306232A1 true ES8306232A1 (en) 1983-05-01

Family

ID=25793650

Family Applications (1)

Application Number Title Priority Date Filing Date
ES512798A Expired ES8306232A1 (en) 1981-06-03 1982-06-02 Automatic adjusting device for a brake

Country Status (8)

Country Link
US (1) US4533024A (en)
AU (1) AU548759B2 (en)
BR (1) BR8203228A (en)
DE (1) DE3218788A1 (en)
ES (1) ES8306232A1 (en)
FR (1) FR2507271B1 (en)
GB (1) GB2099525B (en)
IT (1) IT1151268B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3218788A1 (en) * 1981-06-03 1982-12-30 Lucas Ind Plc SELF-ADJUSTING DEVICE FOR A BRAKE
DE3244872A1 (en) * 1982-12-03 1984-06-07 Lucas Industries P.L.C., Birmingham, West Midlands SELF-ADJUSTING DEVICE FOR A BRAKE
US4623045A (en) * 1984-07-13 1986-11-18 Kelsey-Hayes Company Automatic brake adjusting mechanism
DE8427187U1 (en) * 1984-09-14 1985-10-10 Lucas Industries P.L.C., Birmingham, West Midlands Automatic adjustment device for a brake
FR2610379B1 (en) * 1987-01-29 1989-04-21 Bendix France SELF-ADJUSTING DRUM BRAKE
FR2623864B1 (en) * 1987-12-01 1990-03-16 Bendix France SELF-ADJUSTING DRUM BRAKE
DE4017096A1 (en) * 1990-05-28 1991-12-05 Perrot Bremse Gmbh Deutsche ADJUSTMENT AND CENTERING DEVICE ON THE SLIDE-IN LOCK OF A SERVO DRUM BRAKE
DE19715718C1 (en) * 1997-04-15 1998-08-06 Lucas Ind Plc Self-adjuster for drum brake
JP3728574B2 (en) * 1997-06-11 2005-12-21 日清紡績株式会社 Automatic brake clearance adjustment device for drum brakes
JP2001343037A (en) * 2000-06-01 2001-12-14 Nisshinbo Ind Inc Dual mode drum brake apparatus

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1644378A (en) * 1922-04-13 1927-10-04 Horace L Hirschler Brake-operating mechanism
DE1235163B (en) * 1962-11-05 1967-02-23 Hermann E Mueller Dr Servo brakes, especially for motor vehicles
GB1132702A (en) * 1965-03-05 1968-11-06 Girling Ltd Improvements in and relating to vehicle drum brakes
US3706360A (en) * 1969-12-25 1972-12-19 Aisin Seiki Automatic brake adjuster
DE2010907A1 (en) * 1970-03-07 1971-10-07 Volkswagenwerk Ag, 3180 Wolfsburg Device for a brake, in particular a motor vehicle brake
GB1443351A (en) * 1973-07-05 1976-07-21 Girling Ltd Internal shoe drum brakes
GB1586063A (en) * 1976-09-17 1981-03-18 Chouings L C Lining wear adjusters for reversing brakes
DE2644575C3 (en) * 1976-10-02 1983-12-29 Volkswagenwerk Ag, 3180 Wolfsburg Automatic mechanical adjustment device for inner-shoe drum brakes
US4223765A (en) * 1978-09-28 1980-09-23 The Bendix Corporation Drum brake having pawl and lever
US4222467A (en) * 1979-02-02 1980-09-16 The Bendix Corporation Drum brake adjuster
GB2049077A (en) * 1979-05-21 1980-12-17 Lucas Industries Ltd Automatic adjuster for drum brakes
JPS5618131A (en) * 1979-07-25 1981-02-20 Akebono Brake Ind Co Ltd Adjusting device for braking clearance of drum brake
US4243125A (en) * 1979-09-21 1981-01-06 Chrysler Corporation Self-adjusting drum brake
JPS578975A (en) * 1980-06-17 1982-01-18 Matsushita Electric Ind Co Ltd Tape position retrieval device
DE3218788A1 (en) * 1981-06-03 1982-12-30 Lucas Ind Plc SELF-ADJUSTING DEVICE FOR A BRAKE

Also Published As

Publication number Publication date
ES512798A0 (en) 1983-05-01
DE3218788A1 (en) 1982-12-30
FR2507271B1 (en) 1989-04-28
DE3218788C2 (en) 1990-07-26
IT8221647A0 (en) 1982-06-02
US4533024A (en) 1985-08-06
AU8430282A (en) 1982-12-09
GB2099525A (en) 1982-12-08
BR8203228A (en) 1983-05-17
GB2099525B (en) 1985-10-30
FR2507271A1 (en) 1982-12-10
AU548759B2 (en) 1986-01-02
IT1151268B (en) 1986-12-17

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